Seat frame



FIG. 1 is a perspective view of a seat frame, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is another perspective view thereof connected to multiple resilient strips.

The broken lines on the drawings are shown for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a seat frame, as shown and described. 